Number of nX5 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors.
A199652
Number of nX5 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors.
Terms
- a(0) =41a(1) =8037a(2) =1357484a(3) =230693158a(4) =39209840355
External references
- oeis: A199652